Electrical Engineering: Capacitance and RC Circuits Problem Solving - Prof. Maria Alba-Flo, Exams of Engineering

Download Electrical Engineering: Capacitance and RC Circuits Problem Solving - Prof. Maria Alba-Flo and more Exams Engineering in PDF only on Docsity! Page 1 of 4 Georgia Southern University Mechanical and Electrical Engineering Technology TENS 2146 Electrical Devices and Measurements Fall Semester 2008 Examples of Chap 15: Capacitance and RC Circuits 1.- In the RC series circuit shown below, assume C = 0.1 μF, R = 300Ω, Es = 50 volts RMS and f = 400 Hz, find: a) the reactance of the capacitor b) the impedance of the RC circuit c) the current trough the circuit d) the voltage across R e) the voltage across the capacitor f) the phase shift between Es and I. Express the phase shift in degrees and in msec. Sketch in one plot Es and I g) the power factor h) the Apparent Power i) the True Power 2° has) 360° O Cus) = eB Sms 85.7") B57 > 360° (e "(25m5) _- OG nsec O lm = & Eo = m 65.7° _ - 50x Esc) = Es Ze 5 a _ yolts Es eaeye TOU Y? _ Vz! 4 - x - 2.5m? Cpeak) + ms T(pate) _ [ame Es 4 leads Hhe ve Hage he cucres Page 20f4